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Finding the Fourth Proportional to 441,388, 609,115.44 and 240,185.44

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Solution

The fourth proportional to 441,388, 609,115.44 and 240,185.44 is: 331,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,388 : 609,115.44 = 240,185.44 : x
  2. Step 2: Convert to fraction form
    441,388/609,115.44 = 240,185.44/x
  3. Step 3: Cross multiply
    441,388x = 609,115.44 × 240,185.44
  4. Step 4: Simplify right side
    441,388x = 146,300,659,967.19
  5. Step 5: Solve for x
    x = 146,300,659,967.19/441,388
  6. Step 6: Final answer
    x = 331,455.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.